98438807 has 4 divisors (see below), whose sum is σ = 98698920. Its totient is φ = 98178696.

The previous prime is 98438779. The next prime is 98438831. The reversal of 98438807 is 70883489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98438807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98438887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129488 + ... + 130245.

It is an arithmetic number, because the mean of its divisors is an integer number (24674730).

Almost surely, 2^98438807 is an apocalyptic number.

98438807 is a deficient number, since it is larger than the sum of its proper divisors (260113).

98438807 is a wasteful number, since it uses less digits than its factorization.

98438807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260112.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 98438807 is about 9921.6332828824. The cubic root of 98438807 is about 461.7307311310.

The spelling of 98438807 in words is "ninety-eight million, four hundred thirty-eight thousand, eight hundred seven".